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Senior System Administrator - Lockheed Martin
Systems Engineer
Lead the design, deployment, and maintenance of enterprise Windows and Linux infrastructures, ensuring high availability, security, and performance across on‑prem and cloud environments.
About the role
Key Responsibilities
- Architect, implement, and manage Windows Server and Linux environments, including Active Directory, DNS, DHCP, and Group Policy.
- Configure and maintain virtualization platforms (VMware vSphere) and cloud services (AWS/Azure) to support mission‑critical workloads.
- Develop and automate routine tasks using PowerShell, Bash, and configuration management tools.
- Monitor system performance, troubleshoot incidents, and perform root‑cause analysis to minimize downtime.
- Implement security controls, conduct vulnerability assessments, and enforce compliance with industry standards.
Requirements
- 5+ years of experience as a system administrator in a large enterprise environment.
- Proficiency with Windows Server (2016/2019/2022) and Linux (Red Hat/CentOS/Ubuntu).
- Strong scripting skills in PowerShell and Bash.
- Experience with VMware vSphere and cloud platforms (AWS or Azure).
- Excellent problem‑solving, communication, and teamwork abilities.
Skills
windows serverlinuxactive directoryvmware